County annual report · FIPS 25019
2022 Nantucket County, MA Power Outage Report
In 2022, customers in Nantucket County, MA went without power for an average of 190.0 hours, a total of 129K customer-hours (Massachusetts average 3.3 hours). That ranks 1st worst of 14 Massachusetts counties and 11th of 2,976 nationally.
Compared with MA, the US and 2021
Coverage line is EAGLE-I's share of Massachusetts customers tracked each year.
Biggest outages in Nantucket County, 2022
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | January 29, 2022 13:30 | February 1, 2022 03:00 | 2d 13h | 5,764 | 86K |
| 2 | January 14, 2022 10:30 | January 14, 2022 13:45 | 3h 15m | 1,628 | 3,220 |
| 3 | January 17, 2022 11:45 | January 17, 2022 14:30 | 2h 45m | 1,628 | 1,855 |
| 4 | January 25, 2022 18:00 | January 25, 2022 21:45 | 3h 45m | 1,627 | 4,069 |
| 5 | January 20, 2022 20:00 | January 20, 2022 22:00 | 2h | 1,626 | 2,114 |
| 6 | June 15, 2022 21:45 | June 16, 2022 00:15 | 2h 30m | 1,573 | 395 |
| 7 | December 28, 2022 15:00 | December 28, 2022 23:15 | 8h 15m | 1,307 | 6,334 |
| 8 | July 2, 2022 15:15 | July 2, 2022 18:00 | 2h 45m | 1,196 | 1,392 |
| 9 | July 25, 2022 23:45 | July 26, 2022 07:15 | 7h 30m | 1,131 | 934 |
| 10 | March 24, 2022 13:30 | March 24, 2022 14:30 | 1h | 705 | 529 |
Outage episodes by size in 2022: 26 reached 100+ customers, 9 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Nantucket County reported on EIA Form 861 for 2022, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Massachusetts Electric Co | 2022 | 2.4 hrs | 1.16 | 1.8 hrs | 1.05 |
| Nantucket Electric Co | 2022 | 10.0 hrs | 2.14 | 1.8 hrs | 1.11 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 99% of Massachusetts's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 680 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Nantucket County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Nantucket County, MA annual power outage report, 2022, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2022/massachusetts/nantucket-county